Ashraf
Ashraf Afifi, Flemington, NJ US
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20140250318 | SYSTEM FOR AND METHODS OF PROVIDING COMPUTER TELEPHONY INTEGRATION SERVICE ORIENTED ARCHITECTURE - A system and method for providing a Computer Telephony Integration Service Oriented Architecture is presented. The system and method may include providing one or more computer telephony integration servers in one or more clusters to deliver telephony events between agents and peripheral devices. The events may be solicited or unsolicited. The clusters may be stateless and scalable. The clusters may include dynamic message routing. The systems and methods may implement one or more recovery algorithms if one or more of the telephony integration servers experiences a failure event. | 09-04-2014 |
Ashraf Alkarmi, Seattle, WA US
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20150262402 | OBJECT CUSTOMIZATION AND ACCESSORIZATION IN VIDEO CONTENT - A real-time video exploration (RVE) system that allows users to pause, step into, move through, and explore 2D or 3D modeled worlds of scenes in a video. The RVE system may allow users to select and manipulate objects within a scene, and to modify an object by adding or removing accessories from the object or otherwise customizing the object according to the user's preferences or desires. The RVE system may also provide an interface or interfaces via which the user can obtain additional information for the object, customize the object, be given a price or price(s) for the object as customized, and purchase the object as specified if desired. | 09-17-2015 |
20150262423 | REAL-TIME EXPLORATION OF VIDEO CONTENT - A real-time video exploration (RVE) system that allows users to pause, step into, and explore 2D or 3D modeled worlds of scenes in a video. The system may leverage network-based computation resources to render and stream new video content from the models to clients with low latency. A user may pause a video, step into a scene, and interactively change viewing positions and angles in the model to move through or explore the scene. The user may resume playback of the recorded video when done exploring the scene. Thus, rather than just viewing a pre-rendered scene in a movie from a pre-determined perspective, a user may step into and explore the scene from different angles, and may wander around the scene at will within the scope of the model to discover parts of the scene that are not visible in the original video. | 09-17-2015 |
20150264416 | REAL-TIME RENDERING OF TARGETED VIDEO CONTENT - A real-time video targeting (RVT) system may leverage network-based computation resources and services, available 2D or 3D model data, and available viewer information to dynamically personalize content of, or add personalized content to, video for particular viewers or viewer groups. When playing back pre-recorded video to viewers, at least some objects or other content in at least some of the scenes of the video may be replaced with objects or content targeted at particular viewers or groups according to profiles or preferences of the viewers or groups. Since the video is being rendered and streamed to different viewers or groups in real-time by the network-based computation resources and services, any given scene of a video may be modified and viewed in many different ways by different viewers or groups based on the particular viewers' or groups' profiles. | 09-17-2015 |
20150264425 | OBJECT DISCOVERY AND EXPLORATION IN VIDEO CONTENT - A real-time video exploration (RVE) system that allows users to pause, step into, move through, and explore 2D or 3D modeled worlds of scenes in a video. The RVE system may allow users to discover, select, explore, and manipulate objects within the modeled worlds used to generate video content. The RVE system may implement methods that allow users to view and explore in more detail the features, components, and/or accessories of selected objects that are being manipulated and explored. The RVE system may also implement methods that allow users to interact with interfaces of selected objects or interfaces of components of selected objects. | 09-17-2015 |
20150264441 | GENERATING NEW VIDEO CONTENT FROM PRE-RECORDED VIDEO - A real-time video exploration (RVE) system that allows users to pause a pre-recorded video (e.g., a movie) and change viewing positions and angles of one or more scenes. The RVE system may also allow users to select, manipulate, and modify objects within one or more scenes. The RVE system may render new video of the scenes and stream the new video to the user's client device. Using the RVE system, a user may create modified versions of one or more scenes to replace original scenes in a video to thus create a modified version of the video. The RVE system may allow the user to record the modified version of the video, and may allow the user to share the modified version of the video with other viewers. | 09-17-2015 |
Ashraf Al-Tahini, Dhahran SA
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20080216584 | TEST CELL FOR APPLYING A SHEAR STRESS TO A TEST SPECIMEN - A test cell and method for stress testing a test specimen including a first platen and a second platen. Each platen having a loading surface, an inclined surface, and a longitudinal axis. The inclined surface being inclined relative to the longitudinal axis at an angle and the inclined surface having a specimen recess formed therein for receiving a portion of the test specimen such that when the inclined surface of the second platen is positioned in a face-to-face relationship with the inclined surface of the first platen, a shear stress is applied to the test specimen when an axial load is applied to the first and second platens. The platens further including fluid ports to subject the test specimen to fluid flow at various pressures and fluid chemistries and ultrasonic transducers to determine acoustic, compressional, and shear wave velocities and in multiple orientations. | 09-11-2008 |
20110272143 | SAND PRODUCTION CONTROL THROUGH THE USE OF MAGNETIC FORCES - A process for controlling the production of loose sand particles within an underground formation through the use of magnetic forces is provided. The loose sand particles are magnetized and then subjected to a magnetic field of sufficient strength such that the operator can control the movement of the loose sand particles within the underground formation. In some instances, the present invention can provide an efficient process for keeping the loose sand particles within the formation, and thereby prolonging the useful life of the downhole equipment. In other instances, the present invention can provide an efficient process for sweeping the loose sand particles out of the underground formation in a controlled fashion. The present invention includes at least three embodiments for magnetizing the loose sand particles, including direct magnetization, contacting the sand particles with a magnetizing reagent, and contacting the sand particles with paramagnet nanoparticles. | 11-10-2011 |
Ashraf Al-Tahini, Al-Khobar SA
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20140262248 | SAND PRODUCTION CONTROL THROUGH THE USE OF MAGNETIC FORCES - A method for preventing the production and formation of loose sand particles during production of a production fluid includes converting in the production zone both a loose sand particle into a magnetized loose sand particle and a cemented sand particle into a magnetized cemented sand particle. The method includes introducing a magnetic source into a wellbore. The method includes operating the magnetic source such that a continuous magnetic field is generated and the continuous repulsive magnetic force is less than the mean cementation strength. The method includes producing the production fluid from the production zone to the wellbore at a production rate. The method includes maintaining the magnetic source and the production rate of the hydrocarbon fluid such that within the distance from the magnetic source the production fluid drag force is less than or equal to the continuous repulsive magnetic force. | 09-18-2014 |
Ashraf Al Za'Noun, Raleigh, NC US
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20130055042 | DATA QUALITY ANALYSIS AND MANAGEMENT SYSTEM - A data quality analysis and management system includes a data quality testing module to perform data quality tests on received data and determine data quality statistics from the execution of the data quality tests. The system also includes a data quality analysis and management engine to determine data quality cost metrics including cost of setup, cost of execution, internal data cost, and external data cost, and calculate a cost of data quality from the data quality cost metrics, and a reporting module to generate a data quality scorecard including statistics determined from execution of the data quality tests by the data quality testing module and the cost of data quality determined by the data quality analysis and management engine. | 02-28-2013 |
Ashraf Brik, San Diego, CA US
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20110060121 | METHOD OF PREPARING GLYCOPEPTIDES - A method is provided for the synthesis of glycopeptides using a sugar assisted ligation strategy, wherein an N-terminal peptide portion in the form of a thioester is coupled with a C-terminal peptide portion bearing a carbohydrate moiety comprising a thiol group. | 03-10-2011 |
Ashraf El Damatty, London CA
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20120090249 | SYSTEM FOR PROTECTING A BUILDING - A system for protecting a building is disclosed. The building may stand on the ground surface, and may have a roof. The system comprises a mesh positionable over the roof of the building. The mesh includes a number of edge portions. A frame is secured to the edge portions of the mesh. The frame is composed of a number of elongate rigid members extending along the edge portions of the mesh. The system further includes a number of connectors. Each connector has a first end portion securable to the frame, and a second end portion removably securable to the ground surface. | 04-19-2012 |
Ashraf El-Kereamy, Winnipeg CA
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20080235828 | PLANT PROTEINS HAVING AN ABSCISIC ACID BINDING SITE AND METHODS OF USE - Compositions and methods for modifying the sensitivity to abscisic acid, of seeds and vegetative tissues of plants. The compositions comprise novel nucleotide molecules configured for expressing an abscisic acid-binding protein, i.e., ABAP1, comprising an amino acid sequence set forth in SEQ ID NO: 10. The methods comprise the steps of constructing a nucleotide molecule by fusing a nucleotide coding sequence set forth in SEQ ID NO: 9 with a regulatory nucleotide sequence selected for over-expression or for under-expression of the coding sequence, stably introducing the nucleotide molecule into the genome of a recipient cell from a seed-producing plant, culturing the recipient cell into a whole recipient plant and then further culturing the recipient plant to produce mature recipient seeds, and harvesting the recipient seeds. The recipient seeds and whole plants produced therefrom have modified sensitivities to ABA thereby enabling regulation of germination, physiological function and plant productivity. | 09-25-2008 |
Ashraf El-Kereamy, Guelph CA
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20150203864 | MYB55 PROMOTER AND USE THEREOF - The invention provides MYB55 promoter sequences that can advantageously be used to express a nucleotide sequence of interest in a plant, plant part or plant cell. Also provided are methods of increasing the expression of a nucleotide sequence of interest in a plant, plant part or plant cell in response to high temperature, abscisic acid, salicylic acid and/or methyl jasmonate. Further provided are methods of increasing the tolerance of a plant, plant part or plant cell to heat stress using the promoter sequences as described herein. | 07-23-2015 |
20150218578 | METHODS OF INCREASING TOLERANCE TO HEAT STRESS AND AMINO ACID CONTENT OF PLANTS - The present invention provides methods of increasing tolerance to high temperature or heat stress in a plant, plant part, or plant cell, the method comprising introducing one or more nucleic acids encoding (i) a glutamine synthetase 1;2 (GS 1;2), (ii) a glutamate decarboxylase 3 (GAD3), (iii) a class I glutamine amidotransferase (GAT1), (iv) a MYB55 polypeptide or any combination thereof into a plant, plant part or plant cell. Also provided are methods of increasing amino acid content in a plant, plant part, or plant cell, the method comprising introducing one or more nucleic acids encoding (i) a GS1;2, (ii) a GAD3, (iii) a GAT1, (iv) a MYB55 polypeptide or any combination thereof into a plant, plant part or plant cell. | 08-06-2015 |
Ashraf Ghazali, Houston, TX US
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20110019941 | Roller Action Wrapping Strip Bag - A roller action wrapping bag that can be wrapped and unwrapped around itself with a roller action for keeping the edible or non edible dry and moist contents intact therein for their unique physical and chemical properties until they are consumed or used within a reasonable length of time. The roller action wrapping bag has a galvanized steel wire or a set of wires of other bendable material, with a gauge that can retain its position when it is bended, rolled or twisted along with the soft material of the bag, concealed vertically at the back of the bag and preferably in the middle and necessarily from the top edge of the bag. | 01-27-2011 |
20110166971 | Electronic Delivery of Paper Paychecks - A method and system for delivering paper paychecks electronically, such as web-link download or email attachment using internet. The Payroll processing companies receive the periodic payroll information of employees via fax, email or web-link upload from the employer and encoded that information into their payroll software for preparing the paychecks. The paychecks are then transformed into a rich text format, PDF or any other format like Microsoft Word which is widely and commonly used computer application and uploaded those transformed paychecks either at the designated web-link for download by the employers or attach them with the email for their printing by the employer on the blank preprinted checks. Extreme mobility of having paper paychecks electronically anywhere and controlling of payroll funds can be achieved by using this method. | 07-07-2011 |
Ashraf Hebela, Oakland, CA US
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20120089535 | FINANCIAL PLANNING METHODS AND APPARATUS - A financial planning solution for consumers includes online software for consumers that may provide a comprehensive financial plan, including features such as planning for budgets, home insurance, auto insurance, life insurance, long term disability, short term disability, umbrella insurance, asset allocation, financial goals, estates, education, pre-retirement, in-retirement, risk profile, emergency fund/liquidity, net worth, stock option, unemployment, and the like. | 04-12-2012 |
Ashraf Javeed, Norcross, GA US
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20110055533 | SYSTEM MANAGEMENT INTERRUPT INTERFACE WRAPPER - In a personal computing system function calls, formatted in 16-bit format for a 16-bit interface to the firmware, are communicated through an operating system providing a System Management Interrupt (SMI) interface to the firmware. An SMI function call in SMI format is generated and sent to an SMI Interface Wrapper module between the operating system and the firmware. The SMI function call is received over the SMI interface at the SMI Interface Wrapper. In the SMI Interface Wrapper, function data from the SMI function call is extracted to provide function call data. A 16-bit function call with the function call data is generated by the SMI Interface Wrapper and passed to the firmware. | 03-03-2011 |
20110283297 | SYSTEM MANAGEMENT INTERRUPT INTERFACE WRAPPER - In a personal computing system function calls, formatted in 16-bit format for a 16-bit interface to the firmware, are communicated through an operating system providing a System Management Interrupt (SMI) interface to the firmware. An SMI function call in SMI format is generated and sent to an SMI Interface Wrapper module between the operating system and the firmware. The SMI function call is received over the SMI interface at the SMI Interface Wrapper. In the SMI Interface Wrapper, function data from the SMI function call is extracted to provide function call data. A 16-bit function call with the function call data is generated by the SMI Interface Wrapper and passed to the firmware. | 11-17-2011 |
Ashraf Koka, Dusseldorf DE
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20100219818 | DEVICE FOR NONDESTRUCTIVE TESTING OF PIPES - A device for nondestructive testing of a pipe made of ferromagnetic steel for detection of longitudinal, transverse or inclined flaws using magnetic or magnetic-induction test procedures is disclosed. The device includes a magnetizing yoke which transmits the magnetic flux contactless into the pipe and at least two magnetic-field-sensitive scanning probes having GMR sensors. The GMR sensors are combined into sensor groups in form of a sensor array and electrically connected in parallel. A single preamplifier connected to each sensor group in one-to-one correspondence. The device further includes an evaluation unit. | 09-02-2010 |
20130057269 | LEAKAGE FLUX PROBE FOR NON-DESTRUCTIVE LEAKAGE FLUX-TESTING OF BODIES CONSISTING OF MAGNETISABLE MATERIAL - A leakage flux probe for non-destructive leakage flux-testing of magnetisable bodies comprising a plurality of coils for detection of near-surface flaws in the body, wherein the coils have a degree of sensitivity which is dependent upon the orientation of the flaws in the body, and wherein coils having a different degree of sensitivity are disposed in the leakage flux probe with a first type of coil having a high degree of sensitivity for longitudinal flaws or transverse flaws and a second type of coil having a high degree of sensitivity for oblique flaws. | 03-07-2013 |
Ashraf Mashhour US
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20110202465 | SYSTEM AND METHOD FOR FACILITATING POINT OF SALE TRANSACTIONS WITH MINIMAL TRANSFER OF SENSITIVE DATA - Disclosed herein are a system and method for facilitating point of sale transactions with minimal transfer of sensitive data corresponding to a consumer or merchant. The system and method comprise connecting to a central banking system using a communications apparatus for connecting to a landline or mobile communications network. The communications apparatus is coupled to one or more slots for receiving a merchant digital token and a consumer digital token storing merchant public and private keys and consumer public and private keys, respectively. The merchant and consumer public keys are used to identify the merchant and consumer, respectively, to the central banking system. The merchant and consumer private keys are used to sign, and thereby authenticate, a merchant sign-on agreement and a payment authorization form, respectively. | 08-18-2011 |
Ashraf Matrawy, Kanata CA
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20090089408 | XML Router and method of XML Router Network Overlay Topology Creation - A system and method are provided for creating an XML network. As each XML router is added to the XML network, the new XML router registers with a group of existing XML routers in the network, and thereafter regularly exchanges hello messages with other XML routers in order to announce its initial and continued presence. Once an XML router is added to the group of routers forming the network, the adjacency of the new XML router is determined. The new XML router selects its adjacency based on a prioritized set of metrics, including TCP hops, IP cost, and fanout, along with specific parameters relating to fanout and IP cost. The order of priority of the metrics and the specific parameters can be set by an operator, allowing flexibility in creating an optimum XML network topology. | 04-02-2009 |
Ashraf Metwali, Toronto CA
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20150095132 | SYSTEMS AND METHODS FOR ADMINISTERING INVESTMENT PORTFOLIOS BASED ON INFORMATION CONSUMPTION - The disclosed embodiments include systems and methods for administering actual and virtual investment portfolios based on social media activities associated with and information consumed by one or more users. The disclosed embodiments may be configured to obtain digital activity data identifying an interaction between the user and one or more social networks, and further, one or more elements of electronic content accessed by the user. The disclosed embodiments may also be configured to identify a loyalty program associated with the user, and a geographic region associated with the user. The disclosed embodiments may also be configured to identify one or more first securities based on the digital activity data, an investment risk tolerance of the user, and at least one or the loyalty program or the geographic region, and to transmit information identifying a first set of the one or more first securities to a user device. | 04-02-2015 |
Ashraf Metwalli, Toronto CA
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20150379485 | SYSTEMS AND METHODS FOR IDENTIFYING AND REMEDYING ACCOUNT ERROR EVENTS IN NETWORKED COMPUTER SYSTEMS - The disclosed embodiments include methods and system for detecting error events, such as account shortfalls, within networked computer systems operated by the financial institutions and other business. In one aspect, a system includes a memory storing instructions and one or more processors configured to execute the instruction to perform operating, such as receiving a payment request for a payment amount from a first account of a user to a destination account. The operations may also include determining that the first account lacks sufficient funds to cover the payment amount, and determining that the user has pre-approved credit facility secured by a first set of investment holdings of the user that generate revenue that is periodically transferred to the first account. The operations may also include performing a fund transfer operation for the payment amount from the credit line account to the first account. | 12-31-2015 |
20150379644 | SYSTEMS AND METHODS FOR IDENTIFYING AND REMEDYING ACCOUNT ERROR EVENTS IN NETWORKED COMPUTER SYSTEMS - The disclosed embodiments include computerized methods and system for detecting error events, such as account shortfalls, within networked computer systems operated by the financial institutions and other business entities. In one aspect, a system includes a memory storing instructions and one or more processors configured to execute the instruction to perform operating, such as receiving a payment request for a payment amount from a first account of a user to a destination account. The operations may also include determining that the first account lacks sufficient funds to cover the payment amount, and determining that the user has pre-approved a credit line account secured by a first set of investment holdings of the user that generate revenue that is periodically transferred to the first account. The operations may also include performing a fund transfer operation for the payment amount from the credit line account to the first account. | 12-31-2015 |
Ashraf Nusairat, Hoffman Estates, IL US
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20140301374 | Mechanism for Group Polling Without Precise Timing - In a wireless communication network, to reduce the polling overhead it is proposed to poll several stations using the same polling frame. In order to be able to poll more than one station in the same frame, an access point can make use of the locations of stations relative to the access point. The location of each station relative to the access point will cause a different propagation delay for radio communications between the station and the access point. Based on the propagation delays, two or more stations may be grouped together for subsequent transmissions to the access point. | 10-09-2014 |
20140301375 | TIMING ADVANCE METHOD FOR SYNCHRONIZED WIFI NETWORK - A wireless communication system timing introduces a timing advance calculation mechanism. The timing advance calculation mechanism allows a communication device in the system to adjust its transmission timing to ensure reliable receipt of its transmissions at a receiver. The timing advance calculation mechanism is based on exchanging two new media access control layer messages between the transmitter and the receiver. The procedure is triggered by the transmitter planning to associate with a network managed by the receiver. | 10-09-2014 |
20150098456 | MECHANISM FOR WIRELESS COMMUNICATION - In a communication system, an access point in communication with one or more stations is configured to shift the start of transmission of its downlink data. The access point may automatically shift the transmission of the downlink data in response to receiving downlink data transmitted by a neighboring access point. Shifting the start of transmission of its downlink data permits stations to correctly synchronize to the downlink data. The transmission of data may be synchronized to a synchronization event. In some instances, the access point updates its downlink data with a value corresponding to the shift. The access point may not shift the transmission of the downlink data if the signal strength of the received downlink data is below a threshold. | 04-09-2015 |
20150181609 | APPARATUS AND METHOD FOR REDUCING INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM - In a communication system, an access point in communication with one or more stations identifies a first subset of wireless stations from the set of wireless stations. The first subset of wireless stations is identified based on RSSI values for radio frequency signals received from each of the stations exceeding an RSSI threshold. The first subset of wireless stations is assigned to a first reception window. The access point transmits an identifier of each of the subset of wireless stations and an identifier of the reception window via the radio frequency channel. | 06-25-2015 |
Ashraf Shokralla, New Hyde Park, NY US
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20090196942 | TOPICAL COMPOSITIONS CONTAINING CITRUS JABARA EXTRACT - Topical skin care composition comprising an extract of | 08-06-2009 |
20100015072 | Topical Compositions Comprising Isonicotinamide - Topical compositions containing isonicotinamide in a cosmetically acceptable carrier and methods for treating keratinous surfaces using the composition. | 01-21-2010 |
Ashraf Wadaa, Beaverton, OR US
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20080319958 | Dynamic Metadata based Query Formulation for Multiple Heterogeneous Database Systems - A method may comprise receiving a template query and one or more keywords from a user, generating a SQL query specification based on the template query and the one or more keywords, formulating SQL code based on metadata specification, sending the SQL code to a query execution engine, receiving correlated query results from multiple physical databases and providing the query result to the user. | 12-25-2008 |
Ashraf Yussouff, Tampa, FL US
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20130318580 | SECURITY BASED ON USAGE ACTIVITY ASSOCIATED WITH USER DEVICE - A method includes receiving usage data associated with a user device. The usage data includes information based on at least one usage activity associated with one or more applications on the user device. The method may also include analyzing the usage data based on predetermined criteria and determining a security question and a corresponding answer based on the usage data. The security question and the corresponding answer are stored in an associated database. The method further includes providing the security question and the corresponding answer in response to a request for the security question and the corresponding answer. Access is provided to a system based on an input of the corresponding answer in response to the security question. | 11-28-2013 |
Ashraf Yussouff, Herndon, VA US
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20150089035 | METHOD AND APPARATUS FOR INTEGRATING VARIOUS NETWORK ELEMENTS AND PROVIDING MEDIA PROCESSING SERIVICES - An approach for integrating network elements and providing media processing services, which includes generating at least one integration interface for integrating at least one network element into a media processing platform. The approach also includes determining access information associated with the at least one network element, generating a master parameters list for the at least one network element for use in a processing of a media content item, and communicating the master parameters list via the at least one integration interface to the at least one network element. | 03-26-2015 |
Ashraf Yussouff, Wesley Chapel, FL US
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20120127895 | MANAGEMENT SYSTEM FOR MANAGING A VoIP NETWORK SERVICE - A network device stores one or more mobile applications. The network device receives a message from another network device, where the message specifies multiple mobile devices to which the one or more mobile applications should be uploaded. The mobile devices include cellular telephones. The network device sends a notification to the multiple mobile devices that the one or more mobile applications are available for download from the network device. The notification includes a short message service (SMS) text message. The network device sends the one or more mobile applications to the multiple mobile devices based on receiving replies to the notification from the multiple mobile devices. | 05-24-2012 |
20120176942 | PROVISIONING/CONFIGURATION SYSTEMS FOR BRIDGING VPN FOR IP AUDIO CONFERENCING - Internet Protocol (IP) audio conferencing bridging provisioning/configuration systems receive a service order request associated with a customer, where the service order request requests enrollment of the customer in a Virtual Private Network (VPN) bridging network service for IP Audio Conferencing. The provisioning/configuration systems orchestrate, based on the service order request, configuration of multiple network nodes in a network that provides the VPN bridging network service for IP Audio Conferencing to the customer to enable IP audio conferencing calls to be made from the customer via the network. | 07-12-2012 |
20120180121 | PROVISIONING/CONFIGURATION SYSTEMS FOR VPN TO VPN BRIDGING FOR IP VIDEO CONFERENCING - Internet Protocol (IP) video conferencing bridging provisioning/configuration systems receive a service order associated with a customer, where the service order requests enrollment of the customer in a Virtual Private Network (VPN) to VPN bridging network service for IP video conferencing. The provisioning/configuration systems orchestrate, based on the service order, configuration of multiple network nodes in a network that provides the VPN to VPN bridging network service for IP video conferencing to the customer to enable IP video conferencing calls to be made from the customer via the network to another customer on a different VPN. | 07-12-2012 |
Ashraf Zatari, Belfast GB
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20090177426 | Light Measurement Method and Apparatus - A light measurement method is provided comprising: determining one or more correction factors for at least one image capture device, using the image capture device to receive light output from at least one source of illumination, obtaining an output from the image capture device which corresponds to the light output of the source of illumination, and applying the or each correction factor to the output of the image capture device to obtain one or more substantially absolute measure of the light output of the source of illumination. A light measurement apparatus is also provided to carry out the light measurement method. | 07-09-2009 |
Ashraf Zeid, Belleville, MI US
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20090159360 | Energy efficient power steering pump control system - An electronic control unit monitors pressure conditions present at the input to the steering system and other vehicle data signals and then provides override control of a hydro-mechanical flow control device. An electro-hydraulic valve is connected to the supply side of the hydro-mechanical flow control device and reacts to the electronic monitoring of pressure and other vehicle data to alter the counter-balancing forces within the hydro-mechanical flow control device. This causes a by-pass diversion of steering fluid to the source by the hydro-mechanical flow control device and thereby relieves backpressure on the pump when relatively little steering assist is required to be provided by the steering system. The control of steering fluid diversion at such times results in a significant reduction in parasitic losses within the steering system and improves the operating and fuel efficiency of the vehicle. | 06-25-2009 |